@misc{indiciae7a43d136fd85,
  title = {Bedrock geologic map of the Monterey Quadrangle, Massachusetts},
  author = {Nicholas M. Ratcliffe},
  year = {1975},
  doi = {10.3133/ofr75126},
  url = {https://pubs.usgs.gov/publication/ofr75126},
  note = {Source identifier: ofr75126}
}